1. Introduction
Thank you for choosing the TECKNET Wireless Battery-Free Doorbell System. This manual provides essential information for the proper installation, operation, and maintenance of your doorbell system. Please read it thoroughly before use and retain it for future reference.

Image 1.1: The TECKNET Wireless Battery-Free Doorbell System, featuring two plug-in receivers and one battery-free transmitter.
2. Product Overview
The TECKNET Wireless Doorbell System consists of:
- 1 x Battery-Free Transmitter: The outdoor push button that generates its own power when pressed.
- 2 x Plug-in Receivers: Indoor units that plug into standard EU electrical outlets and produce the chime. Each receiver includes an integrated pass-through socket.
3. Setup and Installation
3.1 Transmitter Installation
The transmitter is battery-free and self-powered. It can be installed outdoors due to its IP65 waterproof rating, ensuring resistance to dust and water splashes. Avoid direct high-pressure water exposure.
- Choose a Location: Select a suitable location near your entrance. Ensure the surface is clean and dry.
- Mounting Options:
- Adhesive Mounting: Peel off the protective film from the adhesive pad (provided) and firmly press the transmitter onto the desired surface for at least 30 seconds.
- Screw Mounting: Use the provided screws and anchors to securely attach the transmitter to the wall.

Image 3.1: The transmitter is IP65 dustproof and waterproof, with an operating temperature range of -20°C to 60°C (-4°F to 140°F).

Image 3.2: The transmitter utilizes a micro-generator to produce electrical current when pressed, eliminating the need for batteries.
3.2 Receiver Installation
The receivers are designed for indoor use and plug directly into standard EU electrical outlets.
- Plug In: Insert each receiver into a standard EU wall socket. The integrated pass-through socket allows you to continue using the outlet for other devices, provided the total load does not exceed 2200 Watts.
- Placement: Place receivers in locations where the chime can be easily heard throughout your home. The system offers a transmission range of up to 400 meters (1300 feet) in open areas.

Image 3.3: The plug-in receiver features a pass-through socket, allowing continued use of the electrical outlet.

Image 3.4: The system includes one transmitter and two receivers, offering a 400-meter transmission range, capable of penetrating various building materials.
4. Operating Instructions
4.1 Changing Melodies
Each receiver offers a selection of 60 different melodies. To change the melody:
- Locate the melody selection button on the side of the receiver.
- Press the button repeatedly to cycle through the available melodies. The receiver will play a preview of each melody.
- Stop pressing when you hear your desired melody. The system will automatically save your selection.
4.2 Adjusting Volume
The doorbell system features 5 adjustable volume levels, ranging from 0 dB (mute) to 110 dB.
- Locate the volume control button on the side of the receiver.
- Press the button to cycle through the 5 volume levels.
- Select the volume level that best suits your environment.

Image 4.1: The receiver allows selection from 60 melodies and 5 volume levels (0-110 dB), also featuring a visual LED indicator.
4.3 Memory Function
The doorbell system is equipped with a memory function. Your selected melody and volume level will be retained even if the receiver is unplugged or experiences a power outage.

Image 4.2: The doorbell system retains your preferred melody and volume settings thanks to its memory function.
5. Maintenance
To ensure optimal performance and longevity of your TECKNET doorbell system, follow these simple maintenance guidelines:
- Cleaning: Wipe the transmitter and receivers with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Transmitter Placement: Periodically check the transmitter's mounting to ensure it remains secure. While waterproof, avoid prolonged submersion or direct high-pressure water jets.
- Receiver Placement: Ensure receivers are plugged into stable power outlets and are not obstructed by furniture or other objects that could dampen the sound.
6. Troubleshooting
If you encounter issues with your doorbell system, please refer to the following common solutions:
- No Sound from Receiver:
- Ensure the receiver is properly plugged into a working electrical outlet.
- Check the volume level. It might be set to 0 dB (mute).
- Verify that the transmitter button is being pressed firmly.
- Poor Transmission Range or Intermittent Operation:
- The maximum range of 400 meters is for open areas. Walls, metal structures, and other electronic devices can reduce the effective range.
- Relocate the receiver to a more central position or closer to the transmitter.
- Ensure there are no large metal objects directly between the transmitter and receiver.
- The system uses a digital code to prevent interference with neighbors' doorbells. If interference is suspected, try re-pairing the units (refer to the full manual for pairing instructions if needed, though typically they are pre-paired).
- Transmitter Not Activating Receiver:
- Ensure the transmitter is securely mounted and the button mechanism is not obstructed.
- Confirm the receiver is powered on and within range.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | HU-XI-102 |
| Brand | TECKNET |
| Transmitter Power Source | Self-powered (Battery-Free) |
| Receiver Power Source | Plug-in (EU Socket) |
| Transmission Range | Up to 400 meters (open area) |
| Melodies | 60 selectable melodies |
| Volume Levels | 5 levels (0-110 dB) |
| Waterproof Rating (Transmitter) | IP65 |
| Operating Temperature | -20°C to 60°C (-4°F to 140°F) |
| Receiver Pass-Through Socket Max Load | 2200 Watts |
| Product Dimensions (L x W x H) | 2.54 x 2.54 x 2.54 cm (Transmitter/Receiver, approximate) |
| Product Weight | 370 grams (total package approximate) |
8. Warranty and Support
TECKNET provides a 36-month warranty for registered users of this product. For any questions, technical assistance, or warranty claims, please contact TECKNET customer service. Refer to the product packaging or the official TECKNET website for contact details.







